Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
WHEEL DISC AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/060767
Kind Code:
A1
Abstract:
A wheel disc, according to one aspect of the present invention, having a bolt hole for bolt fastening is divided into a first region, which extends in the circumferential direction of the bolt hole so as to have a preset width, and a second region excluding the first region, wherein the first region can be provided so as to have an average tensile strength lower than that of the second region.

Inventors:
KIM HONG-GEE (KR)
SON HYUN-SUNG (KR)
LEE MIN-SUNG (KR)
KWON HYUK-SUN (KR)
CHUNG YOUN-IL (KR)
Application Number:
PCT/KR2020/012497
Publication Date:
April 01, 2021
Filing Date:
September 16, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
POSCO (KR)
International Classes:
B60B3/04; B21D13/10; B60B7/00
Foreign References:
KR20170066750A2017-06-15
KR20100132371A2010-12-17
KR101792176B12017-10-31
JP2005193287A2005-07-21
KR101518626B12015-05-07
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
Download PDF: